The generator matrix

 1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  4  1  2  4  1  4  1  1  1  2  1  4  4  2  4  2  1  4  1  4  1
 0 12  0  0  0  0  0  0  0 12 12  4  4  4  4  4  0 12  4  8  8 12  4  0  4  4  8  0  4  4  8  4  8  8 12  8  8  0  4  0  4  4  8  4  0  0  8  8  4  8  8 12  4 12  8  8  8 12  4  8
 0  0 12  0  0  0  4 12  4  4 12  8  4  8  8  4  0  4  0 12  8  0  8  4  8  4  4  4  0  4  0  4  8  0  4  0 12 12 12  0  8  4  0 12  4  0  8 12  4  8  4  4 12  0  8  4 12 12 12  8
 0  0  0 12  0  4  4 12  0  8 12 12 12 12  8  0 12  0  0  4  0 12 12  4  8  8  8 12 12  4 12  0  0  4  4  4  8  8  0  8  8 12 12  4  4  8  8  4  8  4  4  0  8 12  4  4  4  8  0  8
 0  0  0  0 12  4  0 12  4 12  8  4 12  8 12  0  4  4  0  8  4  4  4  4  8  8  0  4  8 12  4  4  4  0  4  8 12 12  8  4  8 12 12  8  8  8  0  8  8  8 12  4  0 12 12  0  0  0  0  8
 0  0  0  0  0  8  0  0  8  8  0  8  0  0  8  8  0  0  0  8  8  8  0  8  8  0  8  0  8  8  0  8  8  0  8  0  8  0  8  0  0  0  0  0  8  8  0  8  8  8  0  8  0  8  0  8  8  0  0  8
 0  0  0  0  0  0  8  0  8  8  8  0  0  0  8  8  0  8  8  8  0  8  8  8  8  0  8  8  0  0  0  0  8  0  8  8  8  0  8  8  8  0  8  0  0  0  8  0  8  0  0  0  8  0  8  0  0  8  8  8
 0  0  0  0  0  0  0  8  0  0  0  0  8  0  0  8  8  8  0  8  0  0  8  0  8  0  8  8  0  8  0  8  8  8  8  8  8  0  0  0  8  0  0  0  8  0  0  0  0  8  0  8  8  8  8  8  0  8  0  8

generates a code of length 60 over Z16 who´s minimum homogenous weight is 49.

Homogenous weight enumerator: w(x)=1x^0+74x^49+160x^50+212x^51+296x^52+380x^53+453x^54+806x^55+1386x^56+1994x^57+3239x^58+4814x^59+5364x^60+4452x^61+3289x^62+2224x^63+1334x^64+858x^65+387x^66+324x^67+256x^68+144x^69+127x^70+58x^71+62x^72+34x^73+21x^74+10x^75+4x^76+3x^78+1x^82+1x^96

The gray image is a code over GF(2) with n=480, k=15 and d=196.
This code was found by Heurico 1.16 in 32.2 seconds.